Londonderry County Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Londonderry County, the United Kingdom in January.

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Londonderry Portstewart Coleraine Dungiven

Planning a journey to Londonderry County, the United Kingdom this January and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Londonderry County in January

Londonderry County, the United Kingdom is a region in the United Kingdom. January in Londonderry County generally has cold temperatures, with precipitation levels ranging from moderate to high. January falls during the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 3°C (37°F) in Londonderry. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

For a closer look at conditions across Londonderry County, the United Kingdom, refer to the map below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Upperlands with an average of 89 mm (3.5 in) to high rainfall in Portstewart with 124 mm (4.9 in).

Average sunshine

Sunshine is more restricted in many locations in January. Londonderry sees roughly 50 hours of sunlight. Our weather planner can help you find destinations with more sunshine if needed.

Explore Londonderry County by month

Pick a month to see the average temperature, rainfall and sunshine in Londonderry County — and find the best time to visit. (based on Londonderry)

January9°C (48°F) February9°C (48°F) March11°C (52°F) April13°C (55°F) May15°C (59°F) June17°C (63°F) This monthJuly19°C (66°F) August19°C (66°F) September17°C (63°F) October14°C (57°F) November11°C (52°F) December9°C (48°F)
Best Time to Visit Londonderry County →

Best Places to Visit in Londonderry County in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Londonderry County.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Londonderry County

What is the weather like in January for some of the most popular destinations in Londonderry County, the United Kingdom?

Temperature range in Londonderry County (January)

Precipitation variation in Londonderry County (January)

Londonderry

In January Londonderry generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
39 hours
50 hours
74 hours
Monthly rainfall
100 mm (3.9 in)
97 mm (3.8 in)
94 mm (3.7 in)
Monthly rainy days
23 days
23 days
18 days
Weather conditions
poor
poor
poor
Climate in Londonderry →

Portstewart

In January Portstewart generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 5°C (41°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
10°C (50°F)
9°C (48°F)
9°C (48°F)
Min temperature
6°C (43°F)
5°C (41°F)
5°C (41°F)
Monthly sun hours
39 hours
50 hours
74 hours
Monthly rainfall
143 mm (5.6 in)
124 mm (4.9 in)
113 mm (4.4 in)
Monthly rainy days
22 days
22 days
17 days
Weather conditions
poor
poor
poor
Climate in Portstewart →

Coleraine

In January Coleraine generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 5°C (41°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
10°C (50°F)
9°C (48°F)
9°C (48°F)
Min temperature
5°C (41°F)
5°C (41°F)
4°C (39°F)
Monthly sun hours
39 hours
50 hours
74 hours
Monthly rainfall
132 mm (5.2 in)
116 mm (4.6 in)
107 mm (4.2 in)
Monthly rainy days
22 days
22 days
17 days
Weather conditions
poor
poor
poor
Climate in Coleraine →

Dungiven

In January Dungiven generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
4°C (39°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
39 hours
50 hours
74 hours
Monthly rainfall
103 mm (4.1 in)
97 mm (3.8 in)
92 mm (3.6 in)
Monthly rainy days
22 days
23 days
18 days
Weather conditions
poor
poor
poor
Climate in Dungiven →

Limavady

In January Limavady generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 4°C (39°F) and high monthly rainfall. So on average the conditions are poor that month.

« December
January
February »
December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
4°C (39°F)
4°C (39°F)
4°C (39°F)
Monthly sun hours
39 hours
50 hours
74 hours
Monthly rainfall
117 mm (4.6 in)
107 mm (4.2 in)
100 mm (3.9 in)
Monthly rainy days
22 days
23 days
18 days
Weather conditions
poor
poor
poor
Climate in Limavady →

Is your destination not in the list? Have a look at all destinations in Londonderry County, in the United Kingdom.

In our records: the United Kingdom January extremes

Notable January records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest January night in the United Kingdom dropped to -20°C (-4°F) in Birmingham on January 14, 1982.

Popular cities in January

Day & night temperatures, rainfall and average weather in Londonderry County in January.

City Weather Day temp Night temp Rainfall
Londonderry 9°C (48°F) 3°C (37°F) 97 mm (3.8 in)
Portstewart 9°C (48°F) 5°C (41°F) 124 mm (4.9 in)
Coleraine 9°C (48°F) 5°C (41°F) 116 mm (4.6 in)
Dungiven 9°C (48°F) 3°C (37°F) 97 mm (3.8 in)
Limavady 9°C (48°F) 4°C (39°F) 107 mm (4.2 in)
Aghadowey 9°C (48°F) 4°C (39°F) 98 mm (3.9 in)

Londonderry County weather in January: frequently asked questions

What is the weather like in Londonderry County, the United Kingdom in January?

January in Londonderry County, the United Kingdom brings poor weather. In Londonderry, daytime temperatures are typically around 9°C (48°F) and nighttime lows hover near 3°C (37°F).

What is the average temperature in Londonderry County, the United Kingdom in January?

Average temperatures in Londonderry County, the United Kingdom during January range from a nighttime low near 3°C (37°F) to a daytime high around 9°C (48°F) in Londonderry.

Does Londonderry County, the United Kingdom get a lot of rain in January?

January is on the drier side in Londonderry County, the United Kingdom. Londonderry averages only about 97 mm (3.8 in), with most days staying dry.

Is January a Good Time to Visit Londonderry County, the United Kingdom?

In our opinion, January may not be the ideal time to visit Londonderry County, the United Kingdom due to the typically poor weather in Londonderry.

Generally speaking, the best visiting conditions can be found in May, July, August, September and October offering mostly tolerable weather in Londonderry. On the other hand, the months of January, February and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Londonderry County.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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